63 lines
1.0 KiB
Go
63 lines
1.0 KiB
Go
// For more tutorials: https://blog.learngoprogramming.com
|
|
//
|
|
// Copyright © 2018 Inanc Gumus
|
|
// Learn Go Programming Course
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
|
//
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"math/rand"
|
|
"os"
|
|
"strconv"
|
|
"time"
|
|
)
|
|
|
|
const (
|
|
maxTurns = 5 // less is more difficult
|
|
usage = `Welcome to the Lucky Number Game! 🍀
|
|
|
|
The program will pick %d random numbers.
|
|
Your mission is to guess one of those numbers.
|
|
|
|
The greater your number is, harder it gets.
|
|
|
|
Wanna play?
|
|
`
|
|
)
|
|
|
|
func main() {
|
|
rand.Seed(time.Now().UnixNano())
|
|
|
|
args := os.Args[1:]
|
|
|
|
if len(args) != 1 {
|
|
fmt.Printf(usage, maxTurns)
|
|
return
|
|
}
|
|
|
|
guess, err := strconv.Atoi(args[0])
|
|
if err != nil {
|
|
fmt.Println("Not a number.")
|
|
return
|
|
}
|
|
|
|
if guess < 0 {
|
|
fmt.Println("Please pick a positive number.")
|
|
return
|
|
}
|
|
|
|
for turn := (maxTurns + guess/4); turn > 0; turn-- {
|
|
n := rand.Intn(guess + 1)
|
|
|
|
if n == guess {
|
|
fmt.Println("🎉 YOU WIN!")
|
|
return
|
|
}
|
|
}
|
|
|
|
fmt.Println("☠️ YOU LOST... Try again?")
|
|
}
|